Overview
The LM224AN, produced by Texas Instruments, is a quad operational amplifier that belongs to the LM224x series. This device is known for its low power consumption and high gain, making it suitable for a variety of applications. The LM224AN operates over a wide range of supply voltages, from 3 V to 30 V for single supply and ±1.5 V to ±15 V for dual supplies. It features enhanced input offset voltage performance, denoted by the suffix 'A'. This operational amplifier is widely used in analog circuits due to its stability, low input bias current, and high common-mode rejection ratio.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Supply Voltage (Single) | 3 | 30 | V | |
| Supply Voltage (Dual) | ±1.5 | ±15 | V | |
| Input Offset Voltage (Vio) | 2 | 3 | 5 | mV |
| Input Offset Current (Iio) | 2 | 20 | 40 | nA |
| Input Bias Current (Iib) | 20 | 100 | 200 | nA |
| Large Signal Voltage Gain (Avd) | 50 | 100 | V/mV | |
| Supply Current (ICC) | 0.7 | 1.2 | 3 | mA |
| Gain Bandwidth Product (GBP) | 1.3 | MHz | ||
| Slew Rate (SR) | 0.4 | V/µs | ||
| Operating Temperature Range | -40 | 105 | °C |
Key Features
- Wide Gain Bandwidth: Up to 1.3 MHz, making it suitable for high-frequency applications.
- Low Input Bias Current: Typically 20 nA, reducing the impact on input signals.
- Low Input Offset Voltage: Maximum of 3 mV at 25°C, enhancing accuracy in analog circuits.
- Wide Power Supply Range: Single supply from 3 V to 30 V and dual supplies from ±1.5 V to ±15 V.
- High Common-Mode Rejection Ratio (CMRR): Up to 80 dB, ensuring good noise rejection.
- Low Supply Current: Typically 1.2 mA per amplifier, suitable for low-power applications.
- Enhanced ESD Protection: Human Body Model (HBM) ESD rating of up to 800 V.
Applications
- Analog Signal Processing: Suitable for amplifying, filtering, and processing analog signals in various electronic systems.
- Audio Equipment: Used in audio amplifiers, mixers, and other audio processing devices due to its low noise and high gain.
- Medical Devices: Applied in medical equipment such as ECG and EEG machines where precision and low noise are critical.
- Industrial Control Systems: Utilized in control circuits for industrial automation, sensors, and actuators.
- Consumer Electronics: Found in consumer devices like audio players, televisions, and other electronic appliances.
Q & A
- What is the operating temperature range of the LM224AN?
The operating temperature range of the LM224AN is from -40°C to 105°C.
- What is the typical input offset voltage of the LM224AN?
The typical input offset voltage of the LM224AN is 3 mV at 25°C.
- What is the gain bandwidth product of the LM224AN?
The gain bandwidth product of the LM224AN is up to 1.3 MHz.
- What is the slew rate of the LM224AN?
The slew rate of the LM224AN is typically 0.4 V/µs.
- What is the maximum supply current for the LM224AN?
The maximum supply current for the LM224AN is typically 3 mA at 30 V supply voltage.
- What is the common-mode rejection ratio (CMRR) of the LM224AN?
The CMRR of the LM224AN is up to 80 dB.
- What are the package options available for the LM224AN?
The LM224AN is available in SO14, TSSOP14, and QFN16 3x3 packages.
- What is the ESD protection rating of the LM224AN?
The LM224AN has an ESD protection rating of up to 800 V according to the Human Body Model (HBM).
- Can the LM224AN operate from a single power supply?
Yes, the LM224AN can operate from a single power supply ranging from 3 V to 30 V.
- What are some typical applications of the LM224AN?
The LM224AN is typically used in analog signal processing, audio equipment, medical devices, industrial control systems, and consumer electronics.
